{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide NC precision spotting drill 142°, uncoated, ⌀ DC h6: 4mm
Article no.: 121068 4
Article code:
Product details
Technical Data
| Tool material | solid carbide | |
| Coating | uncoated | |
| Angle, 1st step | 142 degrees | |
| Cutter diameter, min. Dc min. | 4 mm | |
| Overall length L | 40 mm | |
| Shank diameter DS | 4 mm | |
| Flute length Lc | 8 mm | |
| Tolerance class ISO | h6 | |
| Number of teeth Z | 1 | |
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Feed f | 0.015 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00400105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 4 mm | |
| Dry machining | suitable only under restricted conditions | |
| Holder tolerance class | h6 | |
| Length of shank LS | 32 mm | |
| Oil | suitable | |
| Shank type | HA | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | VHM-NC-Präzisions-Anbohrer | |
| Cutter diameter, max. Dc max. | 4 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Twist direction | right-hand | |
| Machining group | N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | VHM | |
| Interface | joint 1 | |
| Tolerance class | h6 | |
| Usable length L1 | 8 mm | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | Werksnorm | |
| Machining method | drilling into solid material (BVB) | |
| Colour ring | without | |
| Type of product | spotting drill | |
| Feed in | steel < 1100 N/mm2 | |
| Content | single part |
Identification & Classification
| Article number | 121068 4 | |
| EAN / GTIN | 4045197647757 | |
| Manufacturer number | 121068 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
200
N
180
P
80
Description
Version:
Self-centring with 1-cutter geometry, achieves very high alignment accuracy.
Application:
Point angle 142° so that the cutting edges of the following twist drill engage easily.
Note:
Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).
Maintain a feed rate f = 0.015 mm/rev!
Maintain a feed rate f = 0.015 mm/rev!